Re: FW: [boost] any

From: rajanik3_at_[hidden]
Date: 2001-10-19 14:34:27

Hi! Jim,
It worked.
Thanks,
Raj.
-- In Boost-Users_at_y..., "Jim.Hyslop" <jim.hyslop_at_l...> wrote:
> rajanikanth jammalamadaka [SMTP:rajanik3_at_r...] wrote:
> > Hi! Jim,
> > Could you please tell me why this code is not working:
> > 
> > #include <iostream>
> > #include <boost/any.hpp>
> > using namespace boost;
> > int main()
> > {
> >   
> >  any holdsanything ;
> >  holdsanything = 9;
> >  std::cout<<holdsanything<<endl;
> >  holdsanything = std::string("hello");
> >  std::cout<<holdsanything<<endl;
> >  return 0;
> > }
> 
> Hi, Raj
> 
> You didn't specify what problems you were having. Am I correct in 
assuming
> you get a compiler error on the std::cout lines? If so, then the 
problem is
> that class 'any' does not have an extraction operator defined. If 
you change
> the lines to:
> 
>    std::cout << any_cast<int>(holdsanything)<<std::endl;
> 
> and
> 
>    std::cout << any_cast<const char *>(holdsanything) << std::endl;
> 
> it should work properly.
> 
> -- 
> Jim